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One large Milky Way galaxy or many galaxies? 100 years ago, Edwin Hubble settled astronomy's 'Great Debate'A hundred years ago, astronomer Edwin Hubble dramatically ... taking images of spiral nebulae every clear night and looking for the telltale variations of Cepheid variables. By the end of 1924, he had ...
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One large Milky Way galaxy or many galaxies? 100 years ago, a young Edwin Hubble settled astronomy’s ‘Great Debate’Edwin Hubble ... taking images of spiral nebulae every clear night and looking for the telltale variations of Cepheid variables. By the end of 1924, he had found 12 Cepheids in M31.
Edwin Hubble ... taking images of spiral nebulae every clear night and looking for the telltale variations of Cepheid variables. By the end of 1924, he had found 12 Cepheids in M31.
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